Focus & Depth of Field
4 terms
Focus & Depth of Field
Magnification Ratio
The ratio between the size of a subject and the size of its image on the sensor.
Focus & Depth of FieldManual Focus
Focusing by turning the lens ring by hand while judging sharpness visually or by scale.
Focus & Depth of FieldMicroprism Collar
A ring of tiny prisms around a focusing screen's centre that shimmers when the image is out of focus and clears when it is sharp.
Focus & Depth of FieldMinimum Focus Distance
The closest a subject can be to the sensor plane and still be brought into focus.